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GA0603Y103MBXAT31G Equivalent & Substitute Parts
Part Overview
The GA0603Y103MBXAT31G is a 10000 pF ceramic capacitor manufactured by Vishay Vitramon in 0603 (1608 Metric) surface mount package. This multilayer ceramic capacitor (MLCC) operates at 25V rated voltage with X7R temperature coefficient and ±20% capacitance tolerance. The part is AEC-Q200 rated for automotive applications and maintains active product status with RoHS3 compliance. Substitute parts are identified when equivalent capacitance and package specifications are maintained while allowing variations in voltage rating, tolerance, and temperature coefficient within acceptable electrical parameters.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 10000 pF |
| Voltage Rating | 25V |
| Tolerance | ±20% |
| Temperature Coefficient | X7R |
| Package / Case | 0603 (1608 Metric) |
| Mounting Type | Surface Mount, MLCC |
| Operating Temperature Range | -55°C ~ 150°C |
| Ratings | AEC-Q200 |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the GA0603Y103MBXAT31G is determined by the following criteria:
Fixed Parameters (Must Match):
- Capacitance: 10000 pF
- Package / Case: 0603 (1608 Metric)
- Mounting Type: Surface Mount, MLCC
- Operating Temperature Range: -55°C ~ 150°C
- Ratings: AEC-Q200
- RoHS Status: ROHS3 Compliant
Variable Parameters (Allowed to Differ):
- Voltage Rating: May increase from 25V to 50V or 100V
- Tolerance: May improve from ±20% to ±10%
- Temperature Coefficient: May change from X7R to X8R
All identified substitute parts maintain the core 10000 pF capacitance in 0603 package format with automotive-grade AEC-Q200 certification. Voltage rating increases provide enhanced reliability margins. Tolerance improvements and alternative temperature coefficients remain within acceptable electrical performance boundaries for this component category.
Parameter Comparison
| Part Number | Capacitance | Voltage Rating | Tolerance | Temperature Coefficient | Package | Inventory (Pcs) |
|---|---|---|---|---|---|---|
| GA0603Y103MBXAT31G | 10000 pF | 25V | ±20% | X7R | 0603 (1608 Metric) | 850 |
| GA0603H103KXAAC31G | 10000 pF | 50V | ±10% | X8R | 0603 (1608 Metric) | 8665 |
| GA0603Y103KBBAT31G | 10000 pF | 100V | ±10% | X7R | 0603 (1608 Metric) | 8909 |
| GA0603Y103KXAAC31G | 10000 pF | 50V | ±10% | X7R | 0603 (1608 Metric) | 16761 |
| GA0603Y103KXBAC31G | 10000 pF | 100V | ±10% | X7R | 0603 (1608 Metric) | 8691 |
| GA0603Y103MXBAC31G | 10000 pF | 100V | ±20% | X7R | 0603 (1608 Metric) | 4788 |
Engineering Selection Recommendations
All substitute parts maintain AEC-Q200 automotive qualification and ROHS3 compliance, ensuring compatibility with automotive-grade circuit requirements. Selection between substitutes depends on circuit voltage margin requirements and tolerance specifications:
GA0603Y103KXAAC31G provides 50V rating with improved ±10% tolerance while maintaining X7R temperature coefficient, offering enhanced voltage margin with tighter capacitance control.
GA0603H103KXAAC31G delivers 50V rating with X8R temperature coefficient and ±10% tolerance, suitable for applications requiring broader temperature stability characteristics.
GA0603Y103KBBAT31G and GA0603Y103KXBAC31G both provide 100V rating with ±10% tolerance and X7R temperature coefficient, delivering maximum voltage margin for high-reliability applications.
GA0603Y103MXBAC31G offers 100V rating with ±20% tolerance matching the original part's tolerance specification, providing voltage upgrade without tolerance modification.
Frequently Asked Questions (FAQ)
Q: Can GA0603Y103KXAAC31G replace GA0603Y103MBXAT31G in all applications?
A: Yes, provided the circuit design accommodates the 50V rated voltage. The substitute maintains identical 10000 pF capacitance, 0603 package, and AEC-Q200 automotive rating. The improved ±10% tolerance and X7R temperature coefficient are compatible with the original specification.
Q: What is the difference between X7R and X8R temperature coefficients?
A: Both are provided in the input data. X7R maintains ±15% capacitance change across -55°C to 150°C. X8R provides ±22% capacitance change across the same temperature range. Selection depends on circuit tolerance requirements at temperature extremes.
Q: Are all substitute parts in the same 0603 package?
A: Yes. All substitute parts use 0603 (1608 Metric) surface mount package with identical 0.063" L x 0.031" W dimensions and 0.038" maximum thickness, ensuring direct PCB footprint compatibility.
Q: Why would I choose a higher voltage rating substitute?
A: Higher voltage ratings (50V or 100V) provide increased voltage margin above the 25V original specification, enhancing circuit reliability and component lifespan in applications subject to voltage transients or design margin requirements.
Q: Are all parts RoHS3 compliant?
A: Yes. All listed parts, including the main part and all substitutes, carry ROHS3 compliance certification.
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